explain select i_item_id ,i_item_desc ,s_store_id ,s_store_name ,sum(ss_net_profit) as store_sales_profit ,sum(sr_net_loss) as store_returns_loss ,sum(cs_net_profit) as catalog_sales_profit from store_sales ,store_returns ,catalog_sales ,date_dim d1 ,date_dim d2 ,date_dim d3 ,store ,item where d1.d_moy = 4 and d1.d_year = 1998 and d1.d_date_sk = ss_sold_date_sk and i_item_sk = ss_item_sk and s_store_sk = ss_store_sk and ss_customer_sk = sr_customer_sk and ss_item_sk = sr_item_sk and ss_ticket_number = sr_ticket_number and sr_returned_date_sk = d2.d_date_sk and d2.d_moy between 4 and 10 and d2.d_year = 1998 and sr_customer_sk = cs_bill_customer_sk and sr_item_sk = cs_item_sk and cs_sold_date_sk = d3.d_date_sk and d3.d_moy between 4 and 10 and d3.d_year = 1998 group by i_item_id ,i_item_desc ,s_store_id ,s_store_name order by i_item_id ,i_item_desc ,s_store_id ,s_store_name limit 100;
